Scott D. Pierce: While James Corden’s performance in ‘The Prom’ is offensive, straight actors can play gay characters

Actors are not the roles they play — those aren’t actual doctors, lawyers and serial killers you’re watching on TV every week.

(Melinda Sue Gordon | Netflix via AP) James Corden, left, Nicole Kidman, Andrew Rannells and Meryl Streep in a scene from "The Prom."